QIWI CTF 2016 - Crypto 400_1

Crypto 400_1

Crypto - 400 Points

Message m has been encrypted by RSA with exponent e=3 for three users. Users have been used different modulus (n1, n2, n3 respectively). As a result 3 ciphertexts have been obtained (c1, c2, c3 respectively). Decrypt the message. The flag is a sensible text.